Home / 35,397.75-48,848.90-21,250.70

Finding the Fourth Proportional to 35,397.75, 48,848.90 and 21,250.70

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Solution

The fourth proportional to 35,397.75, 48,848.90 and 21,250.70 is: 29,325.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,397.75 : 48,848.90 = 21,250.70 : x
  2. Step 2: Convert to fraction form
    35,397.75/48,848.90 = 21,250.70/x
  3. Step 3: Cross multiply
    35,397.75x = 48,848.90 × 21,250.70
  4. Step 4: Simplify right side
    35,397.75x = 1,038,072,968.73
  5. Step 5: Solve for x
    x = 1,038,072,968.73/35,397.75
  6. Step 6: Final answer
    x = 29,325.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.